Given the same muzzle velocity and resistance, a smaller but denser pellet is not slowing as quickly as a larger pellet with less density, either.

"One minute you're down on the guy claiming deer kills with #4 TSS now it seems you're saying #9 TSS is like a black hole....hard to defend both pieces of a rotten pie."

Didn't say that anywhere. Physics is physics and as far as I know neither lead nor TSS defy the laws of such.