.A particle moving on a line is elven by the equation x(t) = e? - 5t? +3 - 4 where t is expressed in seconds and t2 0. - 10 marts a determine at what time(s) the particle is 11 units to the right from the origin. d. determine at what time(s) the particle has changed directions. c determine when the particle's acceleration is units/sec d. determine all times when the particles speed is increasing e determine the average speed of the particle in the time interval 0 st s 5s do not calculate