The phrase "accelerated by two" is correct and usable in written English.
It can be used in contexts where you are describing an increase in speed or rate by a factor of two.
Example: "The process was accelerated by two, allowing us to complete the project in half the time."
Alternatives: "increased by two" or "doubled in speed."
CONSTRUCTION -- The Long Island Expressway fourth-lane construction project should be accelerated by two years.
His second thoughts, which had been quietly taking shape for some time, were accelerated by two other factors.
And as they seek to salvage other struggling candidates - they accelerated by two weeks their advertisements for Representative John M. Spratt Jr. of South Carolina - there is no guarantee that Ms. Kilroy will be the beneficiary of those remaining commercials, either.
All patients received thrombolysis using the protocol accelerated by two types of molecules: streptokinase or actilyse.
While in Castmatic the pressurized argon shielded arc melting is followed by gravity casting that is accelerated by two atmospheres argon pressure above and one atmosphere vacuum below.
Obviously, metastatic spreading of RAD001-resistant prostate cancer is accelerated by two strategies: (1) by upregulating the α2 expression level (quantitative regulation) and (2) by strengthening the relevance of α2 in controlling invasion (qualitative regulation).
The investment brochure notes the "fast track measures" that have "accelerated by three years" the development around The Den. Millwall have been eager to provide their own scheme, keeping the club at the heart of their community and even offering a profit share with the local council.
James R. Clapper, the U.S. director of national intelligence, told reporters that "as a result of the Snowden revelations, the onset of commercial encryption has accelerated by seven years".
The pound-force provides an alternative unit of mass: one slug is the mass that will accelerate by one foot per second squared when acted on by one pound-force.
This destructive pattern was accelerated by the two police operations in the last days of December 2013, massive investigations into the affairs of four ministers of the majority Justice and Development party (AKP) government.
The encoding speed of the proposed parallelized HEVC encoder is accelerated by approximately ten times compared to the HEVC reference model (HM) software, with minimal loss of coding efficiency.
