Most people overestimate their ability and underestimate their speed.

We cannot underestimate his speed or his power.

Teams that underestimate their speed may break out of their division in competition.

Forecasts of the duration of feelings often capture the tendency for emotions to fade over time, but underestimate the speed in which this happens.

This created a hazardous condition, often leading to high-speed crashes should drivers waiting on the ramp become impatient or underestimate the speed of westbound traffic.