No sense of her size, so no suggestion on fit. just know, that ..
The larger diameter wheel for shorter riders is a design geometry problem..

Test ride it, be prepared to change components , perhaps..

but as a product Felt gets some good bikes made .
so parsing 'Good bike', yes, 'for your wife', ... ask her on that ...

though those are 7 'gears' , being just one chainring ,
and a modest ratio range rear sprocket cluster ..
the terrain of a rail bed to bike trail will be, perhaps, fine.
And you are speaking from Florida ..after all..

Mechanically, bigger low gear a 34, tooth,
is a longer chain and freewheel swap.