[meteorite-list] Huge Fireball: flash to bang time

[Mark Abbott]

Also, isn't there a limit on how far the sound would travel before the 
inverse square law would render it inaudible? 5 miles?

On 1/14/2011 12:22 PM, GeoZay at aol.com wrote:
>
>>> Actually, I believe its about 5  seconds per mile... 3600 seconds per
> hour divided by 750 miles per  hour.<<
>
> I believe that's at sea level...what would the speed of  sound be at about
> 20 - 25 miles up?
> geozay
>
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