Tony smashed the gas pedal, the van shot forward, and Jack was jolted back in his seat by the abruptacceleration.
托尼猛踩油门，维修车一下蹿了出去，突然的加速让杰克的身体紧贴在椅背上。
2
Whatever the specific circumstances for an island, the transition from silent slip to abrupt collapse would involve a sudden acceleration of the mobile slope.