OOOEEPS, you are wrong AGAIN
There is NO SCIENTIFIC PROOF of MORE than 600KPH
(argument 2 out of 10)
YOU better can make another choice
Question
FOUR
of four questions
I am
VERY SURE
that the SOUND-BARRIER
is BROKEN
at sea-level by a man
***
I am
NOT so SURE
that the SOUND-BARRIER
is BROKEN
at sea-level by a man
Gratis teller
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