It depends on how far they've been falling and how they started falling.
A bullet shot out of a gun aimed straight downward will travel faster than a ball dropped from the same height. And the speed will not remain constant. It will accelarate at a rate of 32 ft/sec2 until it reaches a terminal velocity due to friction. In other words, it will get faster as it gets closer to the earth.
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The answer to that is 40-56 mph i quess
45.5 mph
186.4 mph
183.3 mph
Approximately 43.5 mph.