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SESK: Stuff Everyone Should Know · sesk.info/aero-acceleration-change-rate

What does acceleration measure?

How quickly velocity changes over time.

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  1. Change in velocity over time ✔
  2. Total distance only
  3. An object's amount of matter

Why: Acceleration happens whenever velocity changes. Speeding up, slowing down, or turning can all count because velocity includes direction.

Huh, didn't know that: A rocket can accelerate even at constant speed if its direction changes.

The dad joke
Acceleration was in a hurry to change its speed.
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References

Answer: Change in velocity over time. Acceleration happens whenever velocity changes. Speeding up, slowing down, or turning can all count because velocity includes direction.

  1. Aerospace Dimensions Module 4, Rockets akwg.cap.gov/media/cms/Module_4__Rockets_6660F78F20B68_4ad77.pdf
    acceleration - the rate of change in velocity with respect to time
    Checked 2026-10-10.

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