Q:  What is the velocity of the center of NGC 4062, relative
         to the Sun?

             About 750 km/s (away from Sun).

  Q:  What is the velocity of gas at the left-hand edge of
         NGC 4062, relative to the Sun?

             About 900 km/s (away from Sun).

  Q:  What is the velocity of gas at the right-hand edge of
         NGC 4062, relative to the Sun?

             About 600 km/s (away from Sun).


  Q: Roughly how fast are stars and gas in the disk of
         NGC 4062 orbiting around the center of that galaxy?

             About 150 km/s.