らす
yurasu

Godan Verb (su)

1. to rock; to shake; to swing

Transitive
そして、徐々 じょじょにスピードを げて、乗客 じょうきゃくたちを みぎ ひだりにと らしながら、トンネルの なか すすんだ。
soshite jojoni supiidō agete jōkyakutachio migini hidarinito yurashinagara tonneruno nakao tsukisusunda.
Then, gathering speed, it raced through the tunnel, shaking the passengers from side to side.