I have heard that the original Superman couldn't actually fly, but could run very quickly and jump amazingly high, hence the speeding-bullet/single-bound thing. I have never had this confirmed by an actual comics geek, though, so it may very well be bullshit.
--- This signature has performed an illegal operation and has been shut down.
The scariest thing about the SC downtime was how much my productivity increased. Oh well. Never let it be said that I would stop having fun just because it's bad for me.
If he can invent web shooters, he can learn to sew.
--- "Only things I approve of should exist." -some guy on the internet