Quote:
|
Originally Posted by Savage_Messiah
Quote:
|
Originally Posted by misterjuice
if i'm not mistaken, those thing can go like Mach15-20 or something like that.
|
I heard them mention something like 17,500 mph to break thru... the atmosphere?? (i was getting my hair cut so didnt hear it all) |
I think once they leave the Earth's atmosphere it travels around 23,000 mph with the jets on.