Certain newer models of Human Warships are equipped with the Aurora System, a high power maneuvering system that allows for near instant changes in speed and direction.
Fear has a personal Aurora System which gives her an overwhelming advantage in speed and agility, restrained only by her average C-Class Core. After fighting against her and being surprised to see it, Dry mentions that the Aurora System has been studied by the Eastern Knights and AE. (Ep0 - Ch22)
"Aurora... Has a super-acceleration by using inertia panel which comes closer to SCR Drive and drastic redirection..." (Ep 0 - Ch 64)