Acceleration Meaning

/əkˌsɛl.əˈɹeɪ.ʃən/
B2

Definition, CEFR level B2, pronunciation, examples, and quiz.

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nounThe act of accelerating, or the state of being accelerated; increase of motion or action; as opposed to retardation or deceleration.

nounThe amount by which a speed or velocity increases (and so a scalar quantity or a vector quantity).

If not, how do you explain the acceleration?
The derivatives of space with respect to time are velocity, acceleration, and jerk.
CEFR Practice Quiz
The rocket's journey required constant ____ to escape the pull of Earth's gravity.
CEFR Practice Quiz (Alternate)
The sports car has an incredible rate of ____ from 0 to 60 mph.

Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *kel-der. Latin celer Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Italic *-āō Latin -ō Latin celerō Latin accelerō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin accelerātiōder. English acceleration First attested in 1531. From French accélération or more likely directly from Latin accelerātiō (“a hastening, acceleration”). Equivalent to accelerate + -ion.

"On the East and West Coast Main Lines in the 1950s/60s, for example, we saw the extinction of intermediate stations in order to create the same sort of accelerations that IRP is now promising. Back then, the priority was faster main line services, with wayside/intermediate stations paying the ultimate price." — 2022 January 12, Nigel Harris, “Comment: Unhappy start to 2022”, in RAIL, number 948, page 3:
"A period of social improvement, or of intellectual advancement, contains within itself a principle of acceleration […]" — 1859-1860, Isaac Taylor, Ultimate Civilisation:

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CEFR Practice Quiz
The rocket's journey required constant ____ to escape the pull of Earth's gravity.
CEFR Practice Quiz (Alternate)
The sports car has an incredible rate of ____ from 0 to 60 mph.

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