Complex sentence: Webber changed his engine settings to give him a higher top speed in an attempt to get past Barrichello and decrease the time gap to Hamilton on lap 22, and avoided colliding with an Armco barrier at the entry of turn eighteen one lap later.
Split into simpler sentences: Webber changed his engine settings to give him a higher top speed in an attempt to get past Barrichello and decrease the time gap between Hamilton on lap 22. He avoided colliding with an Armco barrier at the entry of turn eighteen one lap later.