yes ? this is exactly what i wrote?
that usually its 2cent, but if the post is already high value even a low SP will give great voting powers. i.E giving crazy boost up to 100000% ?

here is what i wrote

This basically means, that if you up-vote a post which has already accumulated a lot votes and $ your Voting Power will multiply Tenfold or Hundredfold or maybe Thousandfold !!!

but i think you summarized it very good !