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Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.

The largest predators in Lake Superior are lake trout. To eat the specimen I'm holding, a laker would have to weigh 25 pounds or more. Plenty of lakers in Superior exceed 25 pounds, but few would be fast enough to make a steady diet of onchorynchys mykiss. Just how fast is a steelhead? Fastest organism. The fastest land animal is the cheetah, which has a recorded speed of 109.4120.7 km/h (68.075.0 mph). The peregrine falcon is the fastest bird and the fastest member of the animal kingdom with a diving speed of 389 km/h (242 mph). The fastest animal in the sea is the black marlin, which has a recorded speed of 129 km/h (80 mph). Killer whales can swim as fast as 100 kph (30 mph), but they usually cruise at much slower speeds. A Killer Whale can usually go 35 miles per hour. Their usual cruising speed is about 5-10 MPH. Although many people don't see this behavior this usually occurs when they start to attack. The Traxxas XO-1 is an all-wheel-drive electric radio-controlled car, with a claimed top speed of over 100 mph. The Traxxas XO-1 is an all-wheel-drive electric radio-controlled car, with a claimed top speed of over 100 mph. A man between the ages of 17 and 24 should be running at a minimum. pace of 7.73 mph and a maximum pace of 9.24 mph, men aged 22 to. 26 should be running at a minimum of 7.34 mph and a maximum of. 9.24 mph, while men aged 27 to 31 should be at a minimum of 7.1 mph. An estimated 4.75.3-meter (1517 ft) female orca immobilized an estimated 34-meter (9.813.1 ft) great white shark. The orca held the shark upside down to induce tonic immobility and kept the shark still for fifteen minutes, causing it to suffocate. For example, cheetahs can attain short bursts of speed well over 100 km/h (62 mph), the American quarter horse has topped 88 km/h (55 mph), greyhounds can reach 70 km/h (43 mph), and the Mongolian wild ass has been measured at 64 km/h (40 mph). Even the domestic cat may reach 48 km/h (30 mph). Killer Whale (Orcinus orca) - 34.5 miles per hour - 55 Kilometers per hour An orca's powerful tail can propel it through the water at speeds of up to an amazing 35 miles per hour! A killer whale can swim from 20 to 50 M.P.H. Blue whales can reach speeds of 50 kilometres per hour (31 mph) over short bursts, usually when interacting with other whales, but 20 kilometres per hour (12 mph) is a more typical traveling speed. When feeding, they slow down to 5 kilometres per hour (3.1 mph). The Dall's Porpoise a chunky, hyperactive speed demon of the North Pacific is believed to be even faster (speeds up to 34.5 mph have been reported), but since it does not fare well in captivity, it has not been trained or its speed measured. Most large sharks are cold-blooded and cruise at a leisurely 1.5 mph. Query: how fast is a orca in mph
Output:
Orca is 34.5 miles per hour fast.