In the trading action since the speech, short sellers aggressively stepped in to short 3D stocks as they approached their highs, and have continued to push the pedal.
And by modifying any pedal position at the very beginning or which leg they tend to push with, if one is more explosive than the other and they're willing to try that out, then perhaps we can gain that 10th of a second or a few hundredths of a second on the start.