Final answer:
Operating thrust reversers at low ground speeds can cause damage to the engine, increase stopping distances, and risk foreign object damage.
Step-by-step explanation:
Thrust reversers are designed to decelerate an aircraft by redirecting the jet engine's exhaust flow forward, hence assisting in braking. Using thrust reversers at low speeds can cause foreign object damage (FOD) as the force of the exhaust picks up debris from the ground.
Which can then be ingested by the engines or hit the airframe. Moreover, the use of reverse thrust at low speeds can lead to excessive wear and tear on the engines, which are not designed for prolonged periods of reverse thrust operation.
It is essential to follow proper procedures for thrust reverser usage, which typically include limiting reverse thrust application to higher speeds during landing roll-out, to ensure safety and longevity of the aircraft's engines and systems.