Question

what is the unit of uniform and non uniform speed

Answer 1

both have the same units.
meters/seconds
or
kilometres/seconds

Answer 2

In the CGS system, unit of speed is cms-1 and in the MKS system or

SI unitsthe unit of speed is ms-1.

2. Uniform Speed: A body is said to be moving

with uniform speed, if it covers equal distances in equal intervals of time, however small these intervals may be.