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Mathematics 13 Online
OpenStudy (anonymous):

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?

OpenStudy (rulnick):

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

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