Metallurgy plays a factor,as does Sectional Density,at said speed limit. Hint.
Jacketed WMR rounds,upset to a lesser extent and have a better pile driving ass.
None of which is subjective.
Hint.............
Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."