Most likely its just the bumper cover. You can pull it off easy enough and just check but I doubt you banged anything up going that slow. The good news is that new edge bumper covers are cheap. The bad news is paint is not.
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.