Originally Posted by Vagrant Lustoid 2

Look at how close he was to getting Goku, that was pure luck on Goku's part. You can see it skim past him as he spins. he was incredibly lucky not to get hit by it. If you believe that he got such a huge base increase, why wouldn't he then be fast enough to kick his Kaio-Ken into gear to more easily dodge it?

I think he got a minor boost, yes, and then combined with a x20 it was enough to avoid the disk, barely.