an automobiles brakes are applied at time t=0 when the vehicle is traveling at 48 ft/sec. The brakes cause the automobile to decelerate so that after t sec the velocity is given by v(t)=48-16t. At what rate is the vehicle decelerating after 1 sec?

Question

an automobiles brakes are applied at time  t=0 when the vehicle is traveling at 48 ft/sec. The brakes cause the automobile to decelerate so that after t sec the velocity is given by v(t)=48-16t. At what rate is the vehicle decelerating after 1 sec?

rulnick · Answer

The vehicle is decelerating at the rate of 16 ft/sec^2 (16 feet per second per second).