noun
retardation
ree-tahr-DAY-shun/ˌriːtɑːrˈdeɪʃn/
A delay or slowing in development or movement.
Deep mud causes noticeable retardation of the cart's forward motion.

Etymology
The pieces name the process of holding something back by making it slower. This preserves the noun’s original broad sense of delay in movement or time, also applicable to development and progress.
In context
you feel as if the car has its brakes on but it really doesn't have its brakes on that retardation that you feel is the generator being charged up and sending power back to the wheels
More examples
- A lack of sunlight can cause retardation of plant growth.
- The additive produces a slight retardation of the chemical reaction.
- Engine braking provides gradual retardation on the steep descent.
Forms
retardation
retard verb — To slow or delay development or movement.