a phrase used to refer to the discovery that the hubble expansion is not slowing down, as one would expect if only gravity were acting on the galaxies, but is actually speeding up as time goes by. (see dark energy.)
- Acceleration clause
a provision of a mortgage, loan, or the like that advances the date of payment under certain circ-mstances.
- Acceleration coefficient
the ratio of change in capital investment to the change in consumer spending.
- Acceleration of free fall
noun the acceleration of a body falling freely in a vacuum near the surface of the earth in the earth’s gravitational field: the standard value is 9.806 65 metres per second per second or 32.174 feet per second per second g also called acceleration due to gravity, acceleration of gravity
- Acceleration of gravity
the acceleration of a falling body in the earth’s gravitational field, inversely proportional to the square of the distance from the body to the center of the earth, and varying somewhat with lat-tude: approximately 32 feet (9.8 meters) per second per second. symbol: g. acceleration of gravity the acceleration of a body falling freely under […]
- Acceleration principle
the principle that an increase in the demand for a finished product will create a greater demand for capital goods.