Meep, Meep, Thud

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“It should remain airborne until until gravity overtakes it” is an awkward way of explaining. Gravity is always there, so the acceleration is always toward the earth. That’s why it slows down and eventually changes direction.

There is a world championship for anvil launching?

If this were Wile E. Coyote, no matter where he ran, the anvil would land on him.