1. The link is behind an "advertising wall." I cannot read the article.
2. Frying in zero G? Of course it's possible. Just one way is to use a pressure cooker, or broaster.
3. There is nothing about the concept of FTL that lends itself to artificial gravity. So it's completely up to the writer/GM.
4. Constant acceleration of 1 Gravity does not lend itself to ever reaching the speed of light.