Matched context for speed up and impair

The page lists matched contexts for speed up and impair.

Share - speed up	Share - impair	Phrase
29.01%	1.48%	{speed up or impair} response [perform operation]
11.73%	2.35%	{speed up or impair} combustion [perform operation]
3.93%	6.27%	not {speed up or impair}
7.94%	2.43%	{speed up or impair} modal will
5.51%	1.38%	{speed up or impair} modal can