This time the two flags raise at varying
speeds. Once gain, click "Raise Flags" and then determine
what the graph would look like for each flag. When you have a guess,
click on "Show Graph" to confirm your hypothesis. NOTE: you can
move the "time" point in order to illustrate the relative
heights of the two flags at any point in time along their route. Click
here to review the explanatory video of this activity. 
