The definition of disability under Social Security is different than other programs. Social Security pays only for total disability. No benefits are payable for partial disability or for short-term disability. We consider you disabled under Social Security rules if: You cannot do work that you did before;
UCSB Science Line. A rocket ship, on its way to the moon, can get up to almost 25,000 miles per hour in order to escape the Earths atmosphere. However, it does not go that fast the whole way. Also, the ship cannot fly directly from the Earth straight to the moon surface.
Robert Goddard, an American scientist, invented and launched the first liquid-fueled rocket in 1926. It only made a short flight, and obtained a speed of about 60 miles per ho â¦ ur. Within a few years Goddard would be launching rockets reaching speeds over 500 miles per hour and traveling over 2000 feet.