Chopping and laying down a sample after I use timestretching

Peace. Earlier today I had a sample that was 56 BPM originally so I time stretched it to 86 BPM's because tats what I wanted the tempo of my song to be. After I chopped the samples and tried to play it at 86 BPM it wa still off beat. Shouldnt it have been at 86 BPMs because thats what I timestretched it to? What am I doing wrong? Should I not use any release when I chop it?

Timestretching over +/- 10% in any MPC is terrible and inaccurate at best, so I would personally carry this out with software if you can before chopping in the MP.

This obviously doesn't help, but it's the truth.

I've heard recycle is good to timestretch and chop with but can it be used as a standalone program?

Yes