Games lagging, what to do?

Hello everybody, I'm new to RPCS3 and Emulators in general. I was trying to run SKATE 3 on the programm but during gameplay the game would go in "slow motion". My frames are at 30-50 the whole time but the games runs in "slow motion" and audio also echoes.
I'm not sure if it's my PC or the Emulator and I have to change some settings.
My PC specs:
Intel i5-3470 at 3.40GHz
Phoenix GTX 1060 6GB
16GB of DDR3
MSI B75MA-E33

Thanks.

Your CPU is too weak to run it as is, the physics thread is lagging behind despite the framerate you're experiencing

Does every game lag behind or is SKATE 3 just that physics heavy?

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And If no PS3 game is able to run on my CPU, which LGA1155 CPU is best for RPCS3?
Thank you