But no, it's still not the acceleration due to gravity. Ok, maybe just this once you can call it that - but don't do it again. Here is a high speed video showing a ball shot up vertically (240 ...

It changes due to different densities of the local Earth. In spite of this, a value of 9.81-ish N/kg is pretty reasonable. And yes, 9.81 N/kg has the exact same units as 9.81 m/s 2 .

Save guides, add subjects and pick up where you left off with your BBC account. There are various methods to measure acceleration due to gravity. At Higher level all rely on one of the equations ...