You need to answer both of these questions correctly to get credit. Remember that you can click and drag the left mouse button to find the location of the cursor.

First, what is the average speed of the ball during the time interval between t$=4\mathrm{.}0$s and t$=6\mathrm{.}0$s$?($Assume that the mouse coordinates are labelled in units of meters. Use the buttons to control the animation. The ghosts are produced at $1$ second intervals.$)$