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The article says that the railgun part accelerates the plane to mach 1.7 and then the rocket on the plane fires and it accelerates further.
The Concorde was designed to cruise at mach 2, so that's a very survivable speed if the acceleration on the rail isn't too abrupt, like you said.
I think the acceleration is the crucial part, the speed you are going at is irrelevant, just the change in speed
This is correct.
It’s still would be like 1-2 km, if they aim at 10g. And they still need to find another 20 machs from rocket booster.
Doing full railgun with small rockets is more poggers (without humans obv )
biiiiig track incoming
from daily mail
That would still be a rough ride for a person, but it could absolutely revolutionize getting construction materials into orbit.
If you assume humans are frictionless spheres they could probably ride on that second one
They will be spheres if they do ride on it. Several in fact.