Chapter 2, Problem 76P

* BIO EST Water striders Water striders are insects that propel themselves on the surface of ponds by creating vortices in the water shed by their driving legs. The velocity- versus-time graph of a 17-mm-long water strider that moved in a straight line was created from a video (Figure P2.76). The insect started from rest, sped up by taking two strides, and then slowed down until it stopped. Estimate (a) the maximum speed (in m/s), (b) the maximum acceleration (in ${\text{m/s}}^{\text{2}}$), and (c) the total displacement (in m) of the water strider. Note that the velocity on the graph is given in units of length of water strider body per second.