I am most certainly not a science whiz but it's so goddamn funny to see this whole comment section full of people just... explaning and correcting each other poorly with varying degrees of correctness. Just like 50 half-true and misremembered tidbits from everyone's intro to high school physics class, blindly seeking targets in space. I promise you guys, there's a very straight answer to this like two or three clicks away, written more clearly and succinctly than anyone here is managing to do.

When accounting for air resistance, heavy objects do fall faster than light ones. They couldn't test in a vacuum back then, they only knew how things work here in Earth's atmosphere.

The thing that always gets me about the Renaissance is Galileo:

He did those experiments with things falling down? Measuring speed?

Yeah. Without a clock.

The theory for how to build those came later, based on what Galileo did.

To be fair to Archimedes, heavy objects do usually fall faster than light ones*, and to be fair to Newton, stuff coming towards you usually has a higher relative velocity than things going away from you.+

*You need your objects to be weigh a lot relative to their air resistance to notice otherwise.

+You need some pretty ambitious equipment to detect that electromagnetic radiation such as light does not follow this pattern.

Rosencrantz: [holds up a feather and a wooden ball] Look at this. You would think this would fall faster than this.
[drops them. ball hits the ground first]
...and you would be absolutely right.

~ Rosencrantz & Guildenstern Are Dead

Aristotle said so much dumb shit, like he said that women have less teeth and never bothered to check

https://en.m.wikipedia.org/wiki/Galileo's_Leaning_Tower_of_Pisa_experiment

TBF it took awhile to work out vacuum chamber technology, and some people did throw some spherical stuff off the tower of pisa at one point.

They did figure out the earth was round and measure its size with sticks and shadows though, so that's pretty cool.

With same gravity constance everything fall down at the same speed, but only in a vacuum. In an atmosphere there count the air resistance of an object, even if they are made of the same material and weight, an iron sphere of 1 kg fall faster than a iron sheet of 1 kg.

These days, everything seems to be made out shit & piss.

Did you know that two identical triangles are identical to each other

What if a planet that is Earth-sized falls down on Earth from let's say 5-10 meters though?

~~I mean, yes and no.~~ ~~https://en.wikipedia.org/wiki/Terminal_velocity#Physics ~~ ~~Heavier objects have a higher "max speed" that they can fall at, compared to lighter objects. The acceleration to that relative speed is constant though. More or less.~~

~~IE : While a bowling ball and a ping pong ball might start falling at the same initial rate, eventually the bowling ball will fall faster.~~

EDIT : Ignore me for now, I need to do more digging.