5Friction Drag Terminal VelocityMedium1 mark
An object falls from a large height. The air resistance acting on the object is significant.
The graphs show the variation of two quantities P and Q with time.
Which quantities could P and Q represent?
| P | Q | |
|---|---|---|
| A | speed | acceleration |
| B | acceleration | speed |
| C | distance fallen | speed |
| D | speed | distance fallen |