Answer Imagine a World Without Prisons: Science ... piece “The River,” one of the Detroit-based science fiction pieces she was just awarded a Kresge Fellowship to create, explores :
The speaker thinks (feels) that her daughter is growing up very fast and uncontrollably, so the speaker feels a wistful feeling towards past years in which her daughter was young and just learning to ride a bike, and the speaker wishes her daughter to remain forever in her chidlike state and never grow up.