velocity vs. time, acceleration vs. time 1 2 3 4 5 6 7 8 9 432 Velocity (m/s) L 2 0 T -3 -4 Velocity (experiment 1) 1 2 3 4 5 10 10 6 7 Time (s) The red line above shows the velocity of a cart (moving forward and backward in one dimension) during a period of seven-seconds. Assume that everything that looks like a straight line really is a straight line, and you can read the graph to (at least) two significant figures. 1) What was the acceleration of the cart at the time t = 2.7 s? (The sign, positive or negative, is important.) -0.37 m/s Submit