88 seconds . . . From:
http://en.wikipedia.org/wiki/Speed_of_sound#Altitude_variation_and_implications_for_atmospheric_acoustics http://en.wikipedia.org/wiki/File:Comparison_US_standard_atmosphere_1962.svg Sticking with the 310 metre/sec guesstimate of Bob Matson, 88 seconds gives us 27.3 km. - Robin ______________________________________________ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
