What should you do when pulling off onto the shoulder of a highway with unpaved shoulders?

• Signal a turn and slow down to a safe speed before turning off onto the shoulder.
  Explanation:

  "On a highway with an unpaved shoulder, signal a turn and slow down to a safe speed before turning off. "
• Signal a turn and accelerate to merge onto the shoulder quickly.
• Signal a turn and maintain the current speed before turning off onto the shoulder.
• Signal a turn and come to a complete stop before turning off onto the shoulder.