Exam 1 - Group Portion 1. (+8) Refer the graph of y = s(1), where s(1) is the distance (in feet) a person has traveled after t (in seconds) of walking along a straight path. a) How far has the person traveled after 5 seconds? b) What is the person's average velocity from time t = 3 to t = 5? c) What is the person's velocity at time t = 3? d) Without calculating velocities, determine whether the person is traveling faster at t =1 or at t = 5. Explain