<P> Acceleration due to gravity may refer to </P> <Ul> <Li> Gravitational acceleration, the acceleration caused by the gravitational attraction of massive bodies in general </Li> <Li> Gravity of Earth, the acceleration caused by the gravitational attraction of the Earth </Li> <Li> Standard gravity, or g, the standard value of gravitational acceleration at sea level on Earth </Li> </Ul> <Li> Gravitational acceleration, the acceleration caused by the gravitational attraction of massive bodies in general </Li>

Who discovered the value of acceleration due to gravity