d t Find dx dt . Choose the correct answer. J 2 O 2-2 V1 + 23 O 323 V1 + 23 O V1 +23 O + C V1 + 23The velocity in m/s of an object moving along a line over time interval [0,6] is given by the function v(t) : t2 + 375 ft/sec. Find the average velocity of the object over this time interval. 126ft O 15ft O 21 ft 0 20ft