         Sentence What:.is ~incliided alongwith  Bravitationial ae evation,, vand inass' of: the Earth in &  formula about rotation about-the Earth’.    Sentence 2: In: particiifar, Newton determined that  the: acceletation -of the: Maan’ arotind the: Earth  could be: aicribéd to. thie same force of gravity. if:the  accelération’ due-to gravity, decreaied as.ancinverse  suai ;