Question

If we neglect the effects of air friction, which would hit the ground first if dropped from rest, a 5 pound body or a 1 pound body?

Answer 1

David Scott of Apollo XV dropping a hammer and a feather simultaneously on the moon in 1971:
https://www.youtube.com/watch?v=dCoU0NHxAp8

(There are people to this day who will claim that this video was fake, since if it was real it would also destroy their belief that the whole moon landing was fake. They are the same people who also deny climate change)

Answer 2

As Galileo showed, both would take the same time.