sentence: A series of people violently falling off of water skis while water skiing exhibits. sentence:   A person crashing into a family on the beach from going full speed on a water ski occurs. sentence:  Several more people are shown crashing while on water skis with one man crashing and the water turning red at the point of impact and crashing. sentence:   A last clip shows someone going  up a ramp on water skis and then crashing into the water.