A little rush of mental math, a blink of the eye to most people but she calculated his safe threshold at under mach three.

"Good enough, you might want to hang on." She was grinning again, he should be learning about that look by now. She would let him take hold and secure his grip with her own hands and then when he was secure she would run.

She was going for flat out speed this time, it was a thrill, even if less than half her top off pace, but still to break free and just do it made her laugh.