acceleration

Refers to a car's ability to gain speed quickly.

Refers to a car's satisfactory ability to gain speed.

An unexpected and fast increase in speed.

A fast increase in speed, often in a technical or formal context.

Refers to a car's inability to gain speed quickly.

Refers to a car's unsatisfactory ability to gain speed.

A slow and steady increase in speed.

Used to specify the area of increase, e.g., acceleration in growth.