Time is seconds to fall 300 meters?
Answer:
between 5 and 6 seconds.
distance=initial velocity*time + 0.5*acceleration*time^2. Gravitational acceleration= 9.81msec^2
depends upon if the object hits terminal velocity or not.. dropping a piece of plywood and a brick weighing the same amount will fall at different speeds, the plywood would never hit 300mph because it's terminal velocity is much lower due to its shape.
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