Position of a particle moving along x – axis is given by x = 3t – 4t2 + t3 , where x is in meter and t is in second. Find the average velocity of the particle in the time interval from t = 2 second to t = 4 second
(a) 7 m/s
(b) 1 m/s
(c) 13 m/s
(d) 5 m/s