3 ms·
> a plane flying twice at fast would use four times as much fuel Not that this only applies if they fly at the same altitude. If you fly higher you can avoid t
by panick21_ 4y ago
> a plane flying twice at fast would use four times as much fuel
Not that this only applies if they fly at the same altitude. If you fly higher you can avoid that. That of course causes other problems but it is a relevant factor.