headcanon that Pietro legitimately isn’t sure when he’s talking too fast or normal speed so if someone says “what?” he just assumes that he was talking too fast and forces himself to slow the hell down and he’s not being condescending or sarcastic he just legitimately isn’t sure.
This is totally 100% likely, because look:
So that is definitely something that happens. Weeeeeeeeeeee!
I see your panel and one up it with:
It is 100% canon that Pietro experiences himself as normal speed no matter how fast he goes, and everything else as really slow. Also, I choose to interpret that little head pause before he looks forward again as him just double checking he was slow enough.
(Source: aguka99, via touchofgrey37)