On 3/7/2018 5:39 AM, agrayson2...@gmail.com wrote:
*Thanks for your time and effort, but I don't think you understand my* *question. Suppose a test particle is restrained spatially, say in * *the Sun's gravitational field. When released, it starts to move (toward * *the Sun). How does GR explain this motion? By the advance of time? AG*
Time was advancing all along. Your restraint was a force causing the particle to follow a non-geodesic path through space-time. When you released it, it then followed the "straightest path possible", i.e. a geodesic.
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