Sterling-
I'm trying to imagine what kind of dynamics could cause a meteoroid to
actually slow down and then speed up again. The force of Earth's gravity
only increases as the stone falls. Short of a skipping event, I can't come
up with a case where you would see anything other than a monotonic decrease
in vertical speed. Is that what you are considering, or something more
complex? I've modeled the atmospheric dynamics of a meteor under many
conditions, but I've never seen a speed profile like you are suggesting.
Chris
*****************************************
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com
----- Original Message -----
From: "Sterling K. Webb" <[EMAIL PROTECTED]>
To: "metlist" <[email protected]>
Cc: "Dave Harris" <[EMAIL PROTECTED]>
Sent: Sunday, July 03, 2005 12:05 PM
Subject: Re: [meteorite-list] rock on the noggin story
About HOT ROCKS from space, the glowing meteorites of legend and bad
movies,
consider the meteoroid, still in flight immediately after it has reached
the
stagnation point where air resistance slows it to a subsonic crawl or even
a
near-stop before it then speeds up again in free fall toward the Earth.
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