Jittery motion in certain circumstances on death screen

The Bug

When a player dies, (occasionally) mobs motion stops and the players motion will be jittery when dying and falling in midair.

Steps to Reproduce

• Switch into survival mode.
• Teleport yourself upwards really high so that you're guaranteed to die of fall damage.

      /tp @s ~ ~200 ~
  

• Just before you hit the ground, quickly move your head in any direction.
• Look closely at your hand on the death screen.

Observed Behavior

The movement of entities and players on the death screen sometimes jitters.

Expected Behavior

The movement of entities and players on the death screen would not sometimes jitter.