[填空题]
Model a figure skater’s body as a soljowtwy v ej6v +6)1 ln*)pqb9iid cylinder and hedw.d)ri d-rb xd; ;,zmr arms as thin rods, making reasonable estimates for the dimensions. Then calculate the ratio of the angular speeds for a spinning skater with outstretched arms, and with ard;d;z ,dbwrmr -di) x.ms held tightly against her body.