  We demonstrate that gamma (from the Lorentz transformation of the Special
Theory of Relativity) acts as an impediment to velocity changes only when it
occurs inside motion energy transfer relationships. We also examine whether or
not gamma unimpeded velocity changes violate either the constancy of light or
elementary causality. We find that no violations occur. We conclude the paper
with the procedure for a simple experiment, and further empirical evidence from
the Hubble Space Telescope and W.M. Keck Observatory, all of which help to
establish the veracity of our "principle of impedance."
