Velocity of Raindrops
Date: Around 1993
What is the average height that raindrops form? Do they fall at
terminal velocity? If they do not fall at a terminal velocity, why not? The
raindrop forms a shape that has the least resistance as it falls, does not it?
Or, does it fall fast but have little momentum?
Raindrops do fall at terminal velocity or even faster if they are
pushed by a downdraft. But terminal velocity for even a large drop is not
very high because the drop flattens out into sort of a pancake shape, so it
actually has more air resistance than a sphere.
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Update: June 2012