"You can go faster?" Drift looks suitably impressed, considering...well, humans he met in his own world were pretty ineffectual and squishy. He'd pay to see this human race Blurr, although on second thought no one would actually be able to see it.

"That must be a very special gift, then. Is it, er..." He pauses a moment in thought, realizing he doesn't actually have much of an idea of how humans are made. "Is it something you've always had?"

Nailed it.