A motorcycle traveling 35 mi/hr slows as it approaches a stop sign. This is an example of acceleration. Option A is correct.
It is the process of reducing the rate of speed of the vehicle. Deceleration is defined as the rate of change of the velocity(decreasing) with respect to the time.
Final velocity must be zero to stop the vehicle. So that as it approaches a stop sign, a motorbike slows down. This is an illustration of deceleration.
Hence,option A is correct.
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