| A | B |
|---|
| displacement | movement from one point to another |
| velocity | time rate of displacement |
| acceleration | time rate of change in velocity |
| average velocity | total distance divided by total time |
| instantaneous velocity | velocity at a given point |
| "g" | acceleration due to gravity |
| 9.80 m/s/s | rate of acceleration due to gravity at the Earth's surface |
| ∆ | Greek letter "delta", used to indicate change |
| ∆t | elapsed time |
| ∆d | change in distance, displacement |
| ∆d/∆t | velocity formula |
| ∆v/∆t | acceleration formula |
