The graph illustrates how a physical quantity changes over time. Which event would be most suitably shown by the graph?
- Athe acceleration of a firework rising to a maximum height and falling to the ground
- Bthe acceleration of a skydiver leaving an aircraft, falling, opening a parachute and falling to the ground
- Cthe speed of a javelin as it leaves an athlete’s hand, falls and sinks into the ground
- Dthe speed of a high jump athlete leaving the ground, jumping over a bar and descending to the ground