Dropping a feather and metal cube in a vacuum - GIF

Dropping a feather and metal cube in a vacuum, demonstrating Newton's second law of motion (objects free-fall at the same rate).

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Previously:

https://www.homemadetools.net/forum/...538#post193166
https://www.homemadetools.net/forum/...6345#post83486
https://www.homemadetools.net/forum/...421#post127361
https://www.homemadetools.net/forum/...906#post171516
https://www.homemadetools.net/forum/...782#post178936