I go amazingly slow sometimes, even as slow as 6mph up some hills ugh. with studded touring tires, even at MAX pressure - I'm no speed demon. I've come to terms with this personally but I am sure glad I don't get passed cuz then that would get me pissed. I don't like being passed. period.
in fact it was the passing that encouraged my migration for my commuter from MTB to hybrid, to road bike.