Question

how does speed differ from acceleration​

Answer 1

Answer:

Speed is scalar quantity while acceleration is vector quantity.

Answer 2

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The speed is 20 m/s, and the direction is "downward". Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.