h(t)=−16t^2+5184 The height of a pebble in feet that is dropped is given by the equation above. According to the Mean Value Theorem, there is a time t when the instantaneous velocity of the pebble is...

h(t)=−16t^2+5184

The height of a pebble in feet that is dropped is given by the equation above. According to the Mean Value Theorem, there is a time t when the instantaneous velocity of the pebble is equal to the average velocity over the course of its trajectory. Determine the value of this t.