Acceleration
Acceleration was an increase in speed or velocity. ()

Measurements for acceleration included kilometer per second and kilometer per hour. (; )

In 2369, Chief Engineer Geordi La Forge described what it would be like for a spaceship, upon entering the Borg transwarp conduit, being accelerated to a high warp velocity as "like falling into a fast moving river and being swept away by the current." ()

See also 
 Acceleration curve
 Acceleration rate
 Acceleration thruster
 Gravitational acceleration

External link 
 
Physics