I think I figured it out..........anybody that can double check this, please do so.
If I run a 1.5" pulley on my 3450RPM motor and the stock 2" pulley on my bench mandrel, the mandrel shaft will be at 2587RPM.
With 2587 RPM and an 8" buff, I should get 5419 SFPM.
Does that all sound right?
