Which object is NOT accelerating?%0D%0A%0D%0A%0D%0AA.%0D%0AA car slowing down at a red light.%0D%0A%0D%0AB.%0D%0AA car driving in a circle around a track at a constant speed.%0D%0A%0D%0AC.%0D%0AA dog speeding up to chase a cat.%0D%0A%0D%0AD.%0D%0AA person running at 10 km/hr north.

The object that is NOT accelerating is B. A car driving in a circle around a track at a constant speed.