It slumped to the ground without a sound.

He slumped to the platform, a puppet without strings.

He slumped into the chair without a sound.

He slumped to the ground without a cry, the case slipping from his grasp.

He slumped to the floor without a sound.

The officer slumped slowly and gently to the ground without a sound.

The guard slumped to the grass without a sound.

The sentry slumped to the ground without a sound.

He caught the arm of it as he fell, and turned enough so that his body slumped into the chair without further mishap.

The guy slumped to his knees without a sound, still holding the big gun.