• [ 6 ] the diagram shows the positions of a ball as rolled down a track. the ball took 0.5s to roll from one position to the next. For example, it rolled from A to B in 0.5 s and from B to C in 0.5s and so on. Write down [ a ] the distance travelled by the ball from A to E. [ 1 ] mark [ b ] the time taken by the ball to reach E. [1] mark [ c ] Calculate the speed of the ball from A to E. [ 1] mark [ d ] How can you tell from the diagram that the ball is speeding up