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Speed
| how quickly distance changes compared to time |
Acceleration
| change in speed or direction |
Velocity
| speed + direction |
Deceleration
| a negative acceleration; slowing down |
Frame of reference
| When you give a speed, that speed is considered relative to this. |
Instantaneous
| a type of speed that refers to your speed at a specific moment in time |
Average
| a type of speed that refers to your speed over a long distance |
Speed Units
| meters per second (m/s) |
Acceleration Units
| meters per second squared (m/s^2), or meters per second per second |
Acceleration due to gravity
| 9.8 meters per second squared |
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