Velocity of M2 Money Stock (M2V)
Interesting topic to review. This link (below) defines the situation but does not give a “what if” scenario. If it is taking more money to produce a positive GDP that does not bode well when QE stops printing and it has to stop eventually.
http://www.economicsfanatic.com/2012/02/us-adjusted-monetary-base-surging-with.html