A man is driving along a highway in a car at a constant speed. After a period of time, he decreases his speed because of road work.
Which graph best represents the relationship between distance travelled and time taken?
Ben travels forwards and backwards along a straight line.
The graph shows Ben's distance from his starting point at various times of the day.
Ken starts travelling at $9$9 am from point $A$A and moves towards point $B$B in a straight line.
The distance between Ken and point $B$B at various times in his journey is shown on the graph below.
Two students were walking on a straight walking track and their travel graph is plotted.