This guide helps you uncap cutscenes frame rate.
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Open your Origin library, and right-click on Dragon Age Inquisition icon (the cover art).
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Select "Game Properties…".
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In the "Command line argument" field, add the following code and then click "OK"
-GameTime.MaxSimFps 60 -GameTime.ForceSimRate 60+
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Launch the game and enjoy
 
Known issue
This mod causes rubber-band effect when playing multiplayer