speed, acceleration, amplitude, deceleration, trajectory, freestream, flowrate, viscosity, density, oscillation, more...

slowness, stillness, inertia, immobility, stagnation

average velocity, uniform velocity, relative velocity, escape velocity, terminal velocity, more...

angular, higher, average, mean, constant, initial, relative, maximum, lower, uniform, linear

rate of movement,   fast speed,   motion; speed,   swift movement,   speed or activity,   speed measure,   great speed,   speed or efficiency,   rocket speed,   blender speed