 The train is launched by a hydraulic launch mechanism to 128 miles per hour ( 206 km / h ) in 3 @.@ 5 seconds . At the end of the launch track , the train climbs the main top hat tower , reaching a height of 456 feet ( 139 m ) and spanning over a 3 @,@ 118 @-@ foot @-@ long ( 950 m ) track by the end of the ride . 
