In this system, heavy bodies in steady fall indeed travel faster than light ones (whether friction is ignored, or not), and they do fall more slowly in a denser medium.
ɪn ðɪs sˈɪstəm, hˈɛvi bˈɑːdiz ɪn stˈɛdi fˈɔːl ˌɪndˈiːd tɹˈævəl fˈæstɚ ðɐn lˈaɪt wˈʌnz wˈɛðɚ fɹˈɪkʃən ɪz ɪɡnˈoːɹd, ɔːɹ nˈɑːt, ænd ðeɪ dˈuː fˈɔːl mˈoːɹ slˈoʊli ɪn ɐ dˈɛnsɚ mˈiːdiəm.