A car that travels at the speed limit to prevent the cars behind from exceeding it.

(idiomatic) With maximum effort, without reservations or delay.

(idiomatic) Unhesitant.

(usually nautical) Maximum speed on a ship. / (idiomatic) Maximum effort without reservations or delay.

(usually nautical) A command to move forward at maximum speed.

(airplanes) Something that aims at ensuring that the electric generator produces a constant frequency.

(metallurgy) A kind of tool steel, invented in the early 20th century, which retains its hardness and temper at high temperatures (at which previous kinds of tool steel would soften), thus allowing cutters made from it to be employed at higher cutting speeds than were previously practical.

To accelerate

A type of rail transport that operates significantly faster than traditional rail traffic, using an integrated system of specialized rolling stock and dedicated tracks.

plural of Newfoundland speed bump