I have a 2006 5.7 L Chrysler 300C in this overheating when accelerating then cools down when you're not accelerating what does that mean

Couple days ago my 2006 Chrysler 300 3.5L started making a weird noise randomly and what almost sounded like it was revving on its own. Later after driving it the temperature gage quickly starting rising towards H. after driving it back home on a 20 minute trip the car overheated and stopped...