5. The position of a. particle is given by the equation 3(33) 2 t3 6t2 + 9t Where t is measured in seconds and 3 in meters. (3.) [2 points] Determine the velocity flmction. (b) [2 points] What is the velocity of the particle after 2 s? (c) [2 points] Find the acceleration function. (d) [2 points] Find the acceleration after 4 s