Help me Q2. The graph shows the speed of a ball as it falls from a height and bounces from the floor.

(a) The ball starts to fall and speeds up until it hits the floor.
(i) For how many seconds does the ball fall before it first hits the floor?

1 mark
(ii) Calculate the average speed of the ball during its fall.


1 mark
(iii) Calculate the height above the floor from which the ball was dropped.


1 mark
(b) (i) What is happening to the ball in the time between points A and C on the graph?


1 mark
(ii) In which direction is the ball moving between points C and D?

1 mark
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