How would i go about making a Throwing spear mechanic

I dont need actual scripting help, since i have no script to show. What im trying to do is make a spear throwing physics that when a player throws a spear it comes back down at some short point. What things would i need to be familiar with to make this?

Im not familiar with tools and such. But i believe you can take a look into VectorForce and Mover Constraints + Gravity.