LCP to Videos · 6 个月前How fast do you need to travel to JUMP the Grand Canyon?youtu.beexternal-linkmessage-square14fedilinkarrow-up129arrow-down14
arrow-up125arrow-down1external-linkHow fast do you need to travel to JUMP the Grand Canyon?youtu.beLCP to Videos · 6 个月前message-square14fedilink
minus-squareNegativeInflinkfedilinkarrow-up10·6 个月前At a certain width we need to start using the rocket equation.
At a certain width we need to start using the rocket equation.