The speed of light in Shores of Hazeron is 10 minutes per parsec. A sector is a cube that is 10 parsecs on a side. At light speed, it would take 100 minutes to cross from one side of a sector to another.
A parsec in Shores of Hazeron is 106'326'000m. Therefore, the speed of light in Shores of Hazeron is 177'210m/s.
When traveling faster than 90% the speed of light, a blue and red shift effect will become visible.
In our real universe, the speed of light is 299'792'458m/s.