Starting from rest, a particle moving in a straight line has an acceleration of a = 2t m/s, where t is in seconds. Part A What is the particle's velocity when t = 3 s? Express your answer to three significant figures and include the appropriate units. v = Value Submit Request Answer Part B ? Units What is the particle's position when t = 3 s ? Express your answer to three significant figures and include the appropriate units. 8 = Value Units Submit Request Answer Provide Feedback ?