An alternative way to think about what happens as an object falls toward Earth is in terms of energy. Before it falls – if we assume it's stationary – the object possesses energy in the form of gravitational potential. This means it has the potential to pick up a lot of speed due to...
Of course, we KNOW know that the more UNIVERSAL rule is the conservation of mass(energy content)+energy. So we change our concept when that has been shown convincingly to be valid. Now that last argument applies here with respect to the CLASSICAL FIELD (since this is posted in the ...