In the year 2006, the velocity of money in the US was 2. What does this mean? Group of answer choices In the US in 2006, money traveled at 2 miles per hour In the US in 2006, money was exchanged once every 2 years In the US in 2006, money was exchanged 2 times every year Velocity is not a concept related in any way to Macroeconomics (it is only for Physics)