4) C10M.7 The Kingda Ka roller coaster at Six Flags Great Adventure and Safari in New Jersey currently holds the world record for maximum height (139 m). A hydraulic motor accelerates the roller coaster cars to 128 mi/h before they start climbing the 139-m hill. If the cars are traveling at about 10 mi/h as they go over the top, what fraction of the cars' original kinetic energy must have gone to some form of internal energy in the cars, track, and/or the air