The track at Akron's Derby Downs, where the national championship is held, begins with a 55ft-long section tilted 13° below horizontal.What is the maximum possible acceleration of a car moving down ". Search instead for The track at Akron Derby Downs, where the national championship is held, begins with a 55 ft-long section tilted 13° below horizontal.What is the maximum possible acceleration of a car moving down. PART B If a car starts from rest and undergoes this acceleration for the full l, what is its final speed in m/s? Express your answer to two significant figures and include the appropriate units.