As I know in A7 there is only ODE physic engine wnich is included. Newton 2.0 you can find here (This is not a wrapper, just a Demo)
LiteC+Newton2 download: http://hosted.filefront.com/NeArGa
LiteC+Newton2 discussion: http://tinyurl.com/6l7y9v
Where to find wrapper, sorry I don't know((((