How can you estimate the speed of the runner by looking at a graph?

Experiment with a variety of graphs, focusing on the speed of the runner. In general, how can you estimate the speed of the runner by looking at a graph? You can estimate the speed by dividing the distance covered by the seconds it takes to cover that distance.

Explanation:

there ya go ^^

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.