| A | B |
|---|
| frame of reference | an object or background used for comparision when describing a moving object |
| motion | a change in position relative to a frame of reference |
| speed | distance traveled by an object per unit of time or rate of motion |
| constant speed | speed that does not change |
| average speed | total distance divided by total time traveled |
| velocity | speed in a given direction |
| acceleration | change in velocity over time |
| speed | distance divided by time |
| a | b |
| c | d |
| e | f |
| g | h |
