Question: What does the ride, Shipwreck Rapids operating at SeaWorld San Diego, simulate?

Context paragraphs:
Dolphin Cove (SeaWorld): Dolphin Cove (also called Dolphin Point at SeaWorld San Diego) is a SeaWorld attraction, which can be found at two SeaWorld parks and holds about 700000 gal of water.  Specifically, Dolphin Cove is located at SeaWorld Orlando and SeaWorld San Diego.

Halloween Spooktacular: Halloween Spooktacular is an annual Halloween event that takes place at SeaWorld Orlando just outside of Orlando, Florida, SeaWorld San Antonio in San Antonio, Texas and SeaWorld San Diego in San Diego, California.  The event debuted in 2008 at the Orlando, San Diego and San Antonio parks.  It was suspended for several years at the San Antonio park and was reintroduced in 2016.  The event is specifically designed for children.

Sesame Street 4-D Movie Magic: Sesame Street 4-D Movie Magic (titled Sesame Street Presents Lights Camera Imagination!  4-D at SeaWorld and Busch Gardens Europe parks, and Sesame Street Film Festival 4-D at Busch Gardens Africa) is a 4D film theme park attraction located at Universal Studios Japan, SeaWorld San Antonio, formerly at SeaWorld San Diego, Busch Gardens Williamsburg and Busch Gardens Tampa Bay.  The attraction, which was made to run at Universal Studios Japan, was later acquired by SeaWorld Parks and Entertainment to run at their Busch Gardens and SeaWorld theme parks.  In addition, Busch Gardens parks also include multiple other Sesame Street themed attractions, as part of their Sesame Street Forest of Fun/Sesame Street Safari of Fun park areas.  The attraction contains 4-D effects to go along with the film which include spraying water, bursts of air, leg ticklers and fans.

Shipwreck Rapids: Shipwreck Rapids is a River rapids ride currently operating at SeaWorld San Diego in San Diego, California.  This attraction is located in the "Shipwreck Island" themed area of the park, themed to a South Pacific island where many ships and their crews have been marooned.  The four stranded ships are the Implausible, RMS Royal Star, Wholly Mackerel, and Dream Boat II.

Manta (SeaWorld San Diego): Manta is a steel family launched roller coaster at SeaWorld San Diego in San Diego, California, United States.  The ride was manufactured by MACK Rides and opened to the public on May 26, 2012.  It utilizes the same ride system that was used in Blue Fire which opened in 2009 at Europa Park.

SeaWorld San Diego: SeaWorld San Diego is an animal theme park, oceanarium, outside aquarium, and marine mammal park, located in San Diego, California, United States, inside the city's Mission Bay Park.  The park is owned by the City of San Diego and operated by SeaWorld Entertainment.

River rapids ride: A river rapids ride (or river rafting ride) is an amusement ride that simulates whitewater rafting.

Wild Arctic: Wild Arctic is a motion simulator and film themed attraction currently operating at SeaWorld Orlando and SeaWorld San Diego.  The attraction is combined with an animal exhibit featuring beluga whales, walruses, polar bears, and harbor seals.  This attraction replaced Mission: Bermuda Triangle at SeaWorld Orlando.

Haunted Lighthouse: R.L. Stine's Haunted Lighthouse is a 2003 short 4-D film.  It debuted in several United States theme parks, including SeaWorld San Diego and SeaWorld San Antonio.  The film was created by Busch Entertainment Corporation and Lookout Entertainment.  It is the first 3-D film featured at Busch Gardens Tampa Bay.

SeaWorld San Antonio: SeaWorld San Antonio is a 250 acre marine mammal park, oceanarium, and animal theme park, located in the Westover Hills District of San Antonio, Texas.  It is the largest of the three parks in the SeaWorld chain owned by SeaWorld Entertainment, and the world's largest marine-life theme park.  It also has a water park called Aquatica on the separate end of it.  It has many shows in the summer.  The other SeaWorld parks are located in San Diego, California, Orlando, Florida, and one will soon be located in Abu Dhabi, UAE under separate ownership.  It is a member of the Alliance of Marine Mammal Parks and Aquariums (AMMPA) and is accredited by the Association of Zoos and Aquariums (AZA).

Supporting paragraphs: Shipwreck Rapids River rapids ride
Answer: whitewater rafting