I'm curious what are the other drawbacks to playing guitar faster other than "Practice more". Here is the example: I can play Cliffs of Dover at about 55% speed on the fastest run's. Physically, I'm pretty strong, I lift weights most days and heavy ones at that. But ever since I was a child I could not throw a baseball as far as other people. Which means, at least for my arm, I have strength, but not speed muscles. (The slow twitch, fast twitch ratio). Also since I'm older (60's), maybe that speed cant even be developed even in my fingers past a certain point. Players like Satriani have been doing this since they were children. And have put in much more time than me. I'm not interested in playing shred or even long fast runs, but it would be nice to get a 5 or 6 note fast phrase in once in a while.
Is there a genetic limit for some of us ?