a newly designed car has a 9.0 ft wheelbase, is rear wheel drive, and has a center of gravity 18 inches above the road and 4.3 ft behind the front axle. the car weighs 2450 lb, the mechanical efficiency of the drivetrain is 90% and the wheel radius is 14 inches. the base engine develops 200 ft-lb of torque, and a modified version of the engine develops 240 ft-lb of torque. if the overall gear reduction ratio is 8 to 1, what is the maximum acceleration from rest for the car with the base engine and for the car with the modified engine?