[It's recognition but not quite; it's the Flash, but it doesn't look like Wally, and Steph's never met Barry Allen.]

I didn't expect you to eat shit quite so hard.

[But she offers her hand to help him up, because she's not a complete dick.]

And it's kinda hard to tell from a blur if you're a bad guy or good guy. The last speedster I met--

[Helped kill Clancy.

Steph just shrugs, her mouth twisting into a frown for a second before she smooths it out.]