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What is the downward acceleration of a projectile that is released from a missile accelerating upward...

What is the downward acceleration of a projectile that is released from a missile accelerating upward at g=9.8 m/s2

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The downward acceleration of any object or projectile which is free falling is always 9.8 m/s2. This is acceleration due to gravity due to the gravitational pull of the earth.

Therefore the projectile will have a downward acceleration of 9.8 m/s2 or -9.8m/s2 if the downward direction is considered negative.

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