Canonically Accelerator unconsciously reflects light.
So at the very least she would be FTL.
But I calc the processing time of Accelerator in 10.4e-14 sec
https://www.fanverse.org/threads/toaru-feats-calculation.1231745/post-64444901 And 9.3229728e+35 calc/s or 1.0726192e-36 sec
In other threads I tried to measure the calculation speed of Accelerator and a super computer from academy city, as the results are quite large I am going to copy and paste here to see more opinions on whether I made a mistake or if those calcs are working good.
onelastforum.com
So...
Mina speed (low end): >1c
Mina speed (Mid end): 1/10.4e-14 = 9.6153846e+12 m/s or
32073.4706c
Mina speed (High end): 1/1.0726192e-36 = 9.3229728e+35 m/s or
3.1octillions c Most likely, Kamachi doesn't know the speed of moving faster than Accelerator's calculation speed, although it is also true that this happens with most authors.
I would go more for the mid end because it is conservative and that gains strength with
Alice throwing her toys dozens of light years away, the high end, although the calculation I made that time was being quite conservative, perhaps because of the top it is taken as an outlier, At least until something else comes out besides the Tree Diagram with that level, at least that's what I think.