Use the equation for the height of an object (in meters) at time t (in seconds) given below where so is the initial height and vo is the initial velocity. 8(t) = s0 + vot – 4.9t² An object is tossed into the air vertically from ground level and returns to Earth 9.6 seconds later. Determine the exact velocity at time t =5.7. Note: Enter your answer as an exact decimal without the units (m/s).

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