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Acceleration
| Term | Definition |
|---|---|
| Acceleration tells | how much an object’s speed changes in one second |
| When an object speeds up | its acceleration is in the direction of motion |
| When an object slows down | its acceleration is opposite the direction of motion. |
| The acceleration of an object in free fall is g and | its near the surface of the earth this is 9.8 ≈ 10 m/s2 |
| The units of acceleration are | m/s2 or m/s/s |