QMstion Al The acceleration of a particle in clockwise circular motion is (1 = 7i + 3;\" m/s2 at t1 = 2 s. It moves at constant speed 1:. The particle's acceleration is 52 = 71' - 3f rn/s2 at time t: = 4.): s, where x is the last dig": of your student number, e.g. t2 = 4.8 5 if your number is 1234567A. Given that t2 :1 is less than one period. (a) Determine the angle between 51 and (-1.2. (6 marks) (b) Determine the speed v and the radius r of the path taken by the particle. (9 marks)