Humans hitting each other with their front legs An ant When a human punches another human really hard the forces involved are such that tissues will break, cartilage and even bones can crack. In fact professional boxers need to wear protective glo... read more
But [math]V/A[/math] is just the volume to area ratio and so is like the length of the person (or ant) in the fall direction. And the ratio of densities is about 1000 (water to air). So conclusion: The fall distance to reach terminal speed is about 1000 times the dimension of the person/ant: about 1000 feet for person, about 1000mm or 1 metre for an ant. read more