[-/1 Points] DETAILS LARCALCET7 2.3.107.MI. MY NOTES ASK YOUR TEACHER Use the position function s(t) = -4.9t2 + 300, which gives the height (in meters) of an object that has fallen for t seconds from a height of 300 meters: The velocity at time t = a seconds is given by the following. lim s(a) - s(t) t-a a-t Find the velocity of the object when t = 5. (Round your answer to one decimal place.) m/s Need Help? Read It Watch It Master It