there is a way that isnt quick, but it give you a head start.
you could film in high shuuter speeds and then export the footage as a jpeg sequence. then, deleate like 20 frames in each secong.
actually thats sill. the posturise time idea is probably your best bet like steve said.
high shutterspeed
maybe try and film it hand held to add a bit of ruggedness. not to rugged mind