With a manual transmission, the speed of the vehicle determines

Hmm, well depending on your speed depends on what gear you select, and not much else related to manual transmissions specifically (if it wasn't just manuals it could be anything from air resistance to noise in the car).

So I'd assume that:
With a manual transmission, the speed of a vehicle determines which gear you should select.

i got uHe: 2, 2, 2Fe: 26, 26, 29F: 9, 9, 9

Explanation: