Measurement - Speedy students

Your group is to measure the speed of each group member as they 'race walk' from one side of the rugby field to the other. You will need a timing device and know that the width of a rugby field is 50m. Extension is if you can work out the average race walk speed for your group.

You are to show your working on a piece of A3 paper.  Criteria for judging are:

1. Diagrams

2. Formula's used

3. Working out

4. Presentation