Sentence:  Straighten your bars. Turn the wheel in the direction you want to go; then begin to straighten your arms and legs. At this speed it's easy to <WSD>overclear</WSD> the downslope, so really push your bike down to catch the backside. 
Meaning of the word marked with <WSD> tags:  To pass, without collision, by too great a distance; to go too far beyond.