What is the rate of change of position measured as distance per time?

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Multiple Choice

What is the rate of change of position measured as distance per time?

Explanation:
Speed is the rate at which position changes, measured as distance per time. It tells you how fast you’re moving, but not where you’re headed, so it’s a scalar quantity. If you include direction with how fast you’re going, you have velocity. Acceleration describes how velocity itself changes over time—how quickly speed increases or decreases or how your direction changes. Force is the push or pull that can cause motion or changes in motion. So the rate of change of position in terms of distance per time is speed.

Speed is the rate at which position changes, measured as distance per time. It tells you how fast you’re moving, but not where you’re headed, so it’s a scalar quantity. If you include direction with how fast you’re going, you have velocity. Acceleration describes how velocity itself changes over time—how quickly speed increases or decreases or how your direction changes. Force is the push or pull that can cause motion or changes in motion. So the rate of change of position in terms of distance per time is speed.

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