you are in front of the class, moving back and forth in a straight line to demonstrate a new, improved...

you are in front of the class, moving back and forth in a straight line to demonstrate a new, improved sonic ranger. the ranger is set up to measure positive positions if you are to the right of the center and negative position if you are left of the center of the room. The device produces a graph of velocity vs. time which is shown in the figure. You start at x=-5 m at t=0