Another problem is that the air eventually runs out, so the amount of additional thrust is limited by how fast the rocket climbs.

On the roof of the City, two li above the river's surface, a group of officers watched the rocket climb the sky to the southwest.

As the Saturn V rocket climbs into the sky, an engine on the second stage cuts off prematurely, but the craft successfully reaches Earth orbit.

The rocket climbed swiftly through the falling snow.

Thus, as a rocket climbs through the atmosphere its efficiency, and thus thrust, changes fairly dramatically, often as much as 30%.

As the rocket climbed into the dark sky, its flaming exhaust glowed like an exploding star.

Down there the preparations to greet them would already be under way, and even at this moment the little rockets would be climbing invisibly towards Deimos to ferry them down.

As it came overhead the small rockets had climbed to meet it.

The violence of its writhings proved the fury with which the rocket climbed.

In this room, big, red X-shaped lights are on the sides and the rockets climb a small lift.