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"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

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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