If a rock is thrown upward on the planet mars with a velocity of 10 meter per second, its position after t seconds is given by the function s(t) = -3.69t2 + 10t The velocity at time t = a seconds is given by the following: s (t) - s(a) lim tra t - a Find the velocity of the rock when t = 1. (Enter exact numerical answer.) Answer: Finish