A sprinter can accelerate with constant acceleration for 3.90 s before reaching top speed. He can run the 100-meter dash in 10 s. Part A What is his speed as he crosses the finish line? A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 6.50 s later. Part A What was the rocket's acceleration? Part A C. ? m/s #] ? m/s The minimum stopping distance for a car traveling at a speed of 30 m/s is 60 m, including the distance traveled during the driver's reaction time of 0.430 s What is the minimum stopping distance for the same car traveling at a speed of 33.0 m/s ? (D) ? m