Originally Posted by

**Grandad** Hello Vicky1997Have you tried drawing a distance-time graph, with time horizontal and distance vertical? Michael starts at (0, 0) and has a straight line graph sloping upwards with a fixed gradient (5 feet per second). The truck starts at (0, 200), and has a graph that consists of a series of more steeply sloping line segments (10 feet per second) alternating with horizontal line segments (when the truck is stationary).

They meet, of course, where the two graphs intersect.

Give it a try.

Grandad