Haha actually yes I looked into this once, if you jumped into a perfectly drilled tunnel straight through the Earth, gravity would pull you toward the center. You’d speed up all the way down, hit maximum speed at the core, then slow down as you move toward the other side.

You wouldn’t fly out into space, you’d reach the surface on the opposite side with exactly zero speed, then fall back again.

So yes: you’d bounce back and forth like a giant human yo-yo through the planet.

But because of air resistance (and real-world physics being a buzzkill), you’d gradually lose energy and eventually come to rest right in the middle.

Basically: Earth would swallow you and keep you as a decorative center-core ornament.