Animated runners progress across the screen. A graph is plotted simultaneously to show the distance the runners travel as time goes by. It is based on a set of rules. The rules are a model in a Pascal programmed to follow a hidden set of rules in each Racers simulation. The associated graphs represent distance from the start for each runner at a given time.
Time is the independent variable.
From 0 to 5 second, runner A distance increases from 0 to 100 meters. At 10 seconds, the distance increases to 115 meters. From 10 to 15 seconds, the distance still increases from 115 to 200 meters. At 20 seconds, the distance increases to 223 meters. From 20 to 30 seconds, the distance increases to 399 meters.