Human (0-12.51 m/s)
FTE (12.51-171.5171.5 m/s)
Subsonic (MFTE) (Mach 0.5-0.9)
Supersonic (Mach 1-5)
Hypersonic (Mach 5-100)
Massively Hypersonic (Mach 100-87,403)
Relativistic (10%-99% SoL)
Speed of Light
FTL (x1-100 Speed of Light)
Massively FTL (x100+ Speed of Light)
Irrelevant (Characters beyond, and qualitatively superior to, the concepts of dimensions of time and space themselves.)