The phrase "accelerate before" is correct and usable in written English.
It can be used in contexts where you want to indicate that something should speed up prior to a specific event or action.
Example: "We need to accelerate before the deadline to ensure we meet our goals."
Alternatives: "speed up prior to" or "hasten before".
"The hammer has a certain distance to accelerate before it hits.
Now more than ever, the Fed is under pressure to wait for inflation to actually accelerate before it acts.
The pair looked as they were set to accelerate, before Harshal Patel removed both in the 15th over of the innings – Du Plessis chopping on and Raina being pinned back on the crease and given out LBW.
While his colleagues take frequent breaks and look for ways to extort drivers, Saboor leaps in front of cars that try to charge past his stop sign and blows his whistle at those threatening to accelerate before their turn.
Hence, our assessment allows rates of SLR to gradually build, and then accelerate, before settling at the maximum achievable rate for the mechanisms involved (α in our analysis below, in m y−1).
However, should pressures on labor resources begin to show through more impressively in cost increases, policy action may need to counter any associated tendency for prices to accelerate before it undermines this extraordinary expansion...
Changes like this do not always happen steadily; since 1969, there have been four well-documented "geomagnetic jerks," in which the rate of change in the field strength abruptly accelerated before, months later, settling back to normal.
The results described in this paper are significant because the HR has not been properly accelerated before on homogeneous multicore architectures, and it plays a significant role in solving non-symmetric eigenvalue problems.
When he turned around to pursue the cricketer, Swann initially accelerated before eventually stopping.
All leaves gradually lose chlorophyll during the growing season, and this loss accelerates before leaf fall.
The rate of shrinkage was found to be erratic and inconsistent with parabolic kinetics, accelerating before complete disappearance.
