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Content: How fast does a plane travel? Most passenger jets fly at a speed of 400-500 knots. Why are fighter planes fast and maneuverable? Fighter jets were designed to shoot down enemy aircraft. Because
the enemy had fighter jets of their own to protect their aircraft,
it was important to make them as fast and maneouverable as
possible. It should be noted that the aircraft is only as good as
its pilot. Why cant jets go as fast as a rocket? All things being equal, the speed of a rocket or jet depends on
the power of the engine, the weight of the vehicle and the drag on
the vehicle. But rockets do have some advantages: They can travel
in space where there is no drag.