Xcelerator Roller Coaster @ Knott's Berry Farm - 82 mph in 2.3 sec

Buena Park, CA -- Xcelerator is a popular high speed roller coaster ride that hits 82mph in 2.3 seconds. Recorded at Knott's Berry Farm theme park in Buena Park, California.

Xcelerator's powerful hydraulic catapult motor accelerates the train to 82 mph (132 km/h) in 2.3[1] seconds (about 1.33 g). It only uses 157 feet (48 m) of track to launch the train. The twin hydraulic catapult motor achieves a maximum of 10,500 horsepower (7,800 kW) each while accelerating the train. Xcelerator's hydraulic motor system has the mechanical capability of accelerating vehicles to a speed of 117 miles per hour (188 km/h) or more, though it only needs to hit 82.

http://en.wikipedia.org/wiki/Xcelerator

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