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Watch and Learn

It is said that you can fire a bullet and drop a bullet from the same height and they will hit the ground at the same time. The acceleration in the x direction (left and right) does not affect the acceleration in the y direction (up and down).  In this video the Mythbusters test out this idea with some ball bearings. Using the information in the video find the table height in meters on a sheet of paper. (you can take an average of the times)

If this holds true for bullets then using this video how fast is the bullet being fired from the gun? (assume the gun is held at the same height as the table)

Show your work.
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