“That’s not what I mean. Even the top ten legendary road racers wouldn’t be able to have the grip or endurance to drive that.” Jousawa pointed towards another machine lying in a corner of the trailer.

“It has to be used along with that special powered suit.”

[...]

“You’re going to be driving at high subsonic speeds on obstacle covered terrain. The speed will feel many times greater than in a fighter jet, so you wouldn’t be able to control it without equipment like that.”

Toaru Majutsu no Index New Testament vol.1