3 ms·It's not 9.81, it's more like 9.87 (you got the distance correct at 0.13 so I guess a typo?).by hazeii 9y agoIt's not 9.81, it's more like 9.87 (you got the distance correct at 0.13 so I guess a typo?).meggar 9y agoIsn't that the gravitational acceleration of the earth?scythe 9y agoEdited, thanks, and yes, 9.81 m/s^2 is the gravitational field at Earth's surface.