The graph below approximates the net force exerted westward on a 9.71 g bullet in the barrel of a hunting rifle after it is fired. Note that the time axis begins at 0.5 10* S. Force in KN 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 Force and Time for a Rifle Bullet 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 -4 Time (x 10 ** s) Using the data from the graph, calculate the change in velocity of the bullet from time 5 x10 s to 11 x 10*s.