Low fps in NFS: Nitro

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Hi guys! I'm want to play nfs:nitro, but im got 20-30 fps in this game
Here is my pc config:
amd athlon II x4 630
nVidia geforce gtx 750ti
8gb ram
Also fps is not changing if i'm use 640x528 resolution or 5120x4224
Here is dolphin settings:




Pls, help me! Thanks!
(sry if my english bad)
http://imgur.com/a/qoR3y
http://imgur.com/a/GRa0p
http://imgur.com/a/Yxbj9
http://imgur.com/a/Z1YPo