# velocity

[vəˈlɑːsəti]

## velocity Definition

• 1the speed at which something moves in a particular direction
• 2the rate at which something happens or changes

## Using velocity: Examples

Take a moment to familiarize yourself with how "velocity" can be used in various situations through the following examples!

• Example

The velocity of the car was measured by radar.

• Example

The velocity of the wind increased as the storm approached.

• Example

The velocity of technological advancement is increasing exponentially.

## Phrases with velocity

• ### escapevelocity

the minimum speed needed for an object to escape from the gravitational pull of a celestial body

Example

The escape velocity of Earth is about 11.2 kilometers per second.

• ### terminalvelocity

the constant speed that a freely falling object eventually reaches when the resistance of the medium through which it is falling prevents further acceleration

Example

A skydiver reaches terminal velocity of about 120 miles per hour.

• ### velocityofmoney

the rate at which money is exchanged in an economy, calculated as the number of times a unit of currency is spent over a period of time

Example

The velocity of money has decreased during the pandemic due to reduced economic activity.

## Origins of velocity

from Latin 'velocitas', from 'velox' meaning 'swift'

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## Summary: velocity in Brief

Velocity [vəˈlɑːsəti] refers to the speed and direction of movement or the rate of change. It can be used to describe physical objects, such as 'The velocity of the car was measured by radar,' or more abstract concepts, such as 'The velocity of technological advancement is increasing exponentially.' Other phrases include 'escape velocity,' which describes the speed needed to escape a celestial body's gravitational pull, and 'velocity of money,' which measures the rate at which money is exchanged in an economy.

How do native speakers use this expression?

Oncheon-ro 45, Yuseong Prugio City unit. 208. Yuseong-gu, Daejeon