their speed vs their speeds

Both 'their speed' and 'their speeds' are correct, but they are used in different contexts. 'Their speed' refers to the speed of a single object or group, while 'their speeds' refers to the speeds of multiple objects or groups.

Last updated: March 28, 2024 • 1412 views

their speed

This phrase is correct and commonly used in English.

Use 'their speed' when referring to the speed of a single object or group.

Examples:

Their speed was impressive.
The car increased its speed as it raced down the track.

Alternatives:

the speed of the object
the group's speed
its speed

their speeds

This phrase is correct and commonly used in English.

Use 'their speeds' when referring to the speeds of multiple objects or groups.

Examples:

Their speeds varied greatly.
The athletes compared their speeds after the race.

Alternatives:

the speeds of the objects
the groups' speeds
their various speeds

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their speed vs their speeds

their speed

their speeds

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