I'll ask Chomper if I may make the test next time I meet him, but I'm afraid he may not like the suggestion for reasonable fear of getting hurt

:
Seriously, nobody of us has been hit by a golfball-sized hailstone yet, but it is relatively easy to imagine the results of something of a given size hitting you at the speed it would reach from such a long fall. Can you not imagine some of these things yourself? I think the topic is getting a bit nit-picking.