I saw someone catch arrows at Madison Square Garden when I was a kid, my father took my to see some kick boxing matches and there was a demo.
No matter the power of the bow, the $hit is moving fast. And as someone pointed out, it's not intercepting it this way ----> <-----, it takes timing.
Actually though, I'm more impressed by the paintball not exploding. Not only timing and speed, but also sensativity and absoption.
For paintball players: if you catch the ball and it does not explode and paint you, are you still alive?