still need and paying $200 now i had few people try accelerating it and it didnt work.
why havent i used higher fees? because that was fees offered and icouldnt change it.
Try here
https://pool.viabtc.com/tools/txaccelerator/ this is free , they reset every hour (Eg. 13.00-14.00) or you can try paid service too. my transactions always confirmed about 3-7 hours after submitted. Sorry for my bad english and good luck!