Some guys gain explosion through the training, even as they gain weight. I became much quicker as I got stronger (and heavier) in college.
Chances are he'll get switched or cross-matched at some point. Hopefully his physical maturation and training gave him better tools to manage this circumstance.
We can hope but I haven't heard anyone say that Nunge is quicker or faster, just that he's bigger and stronger. I think most of us can agree the less time Nunge is spent defending the 3, the better. Fair?