Superman joke,awaiting verse

2 drunks on top floor of empire state building ones says if jump out of window by the time you reach 10th floor the wind will bring you back up here and he jumps out out of window 10 secs later he's back other,drunk says that must be a fluke so the drunk jumps again 10secs later he's back so the other drunk jumps out goes right to bottom SPLAT...... barman comes
over to other drunk and says, your a mean bastard when your drunk Superman