The jet car is originally traveling at a velocity of 10 m/s when it is subjected to the acceleration shown. When t = 0, s = 0. Suppose that a = 5.5 m/s, a2 = -3.5 m/s, and t" = 15 s. (Figure 1) Figure a (m/s) a a ! (8) < 1 ot 1 Determine the car's maximum velocity. Express your answer to three significant figures and include the appropriate units. Umax = 4500 Submit Part B t' = 1 * Incorrect; Try Again; 9 attempts remaining Submit A Previous Answers Request Answer Determine the time t' when the car stops. Express your answer to three significant figures and include the appropriate units. H Value m S Request Answer < Return to Assignment Units ? Provide Feedback ?