This is a good suggestion! We can consider the skills that can replace the existing.
This is a time-limited and munition-enabled skill that speeds up the tank and firing rate, but after the end the engine slows down due to overload and the slowing effect is canceled later vet 3.
The ability could still be used to "ram" vehicles.
One can also scale the penetration and chance for critical of "ram" with veterancy and make "ramming speed" ability the vet 1 ability of T-34/76.