but that's underwater, the force causes the water to boil because water doesn't compress. So we would need to figure out at what speed a human hand would need to travel, to cause the air around it to compress to a temperature suitable to cook meat.
Given that it's a relatively small creature too.
about 50 mph, in about 1-2 inches of space for the average mantis shrimp, though they can grow larger.
about 50 mph, in about 1-2 inches of space for the average mantis shrimp, though they can grow larger.