Two friends are sitting in a stationary canoe. At t = 3.0 s the person at the front tosses a sack to the person in the rear, who catches the sack 0.2 s later. Which plot in Figure Q9.22 shows the velocity of the boat as a function of time? Positive velocity is forward, negative velocity is backward. Neglect any drag force on the canoe from the water.

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0 0 A. 3.0 3.2 3.0 C. 3.2 FIGURE Q9.22 1 (s) -1 (8) 0 0 B. r 3.0 3.2 D. 3.0 3.2 1 (s) -1 (s)