What happens when a spinning ice skater draws in her outstretched arms? group of answer choices her moment of inertia increases causing her spin to slow down. the physics law behind this phenomenon is the conservation of mechanical energy. her moment of inertia increases causing her spin to slow down. the physics law behind this phenomenon is the conservation of linear momentum. her moment of inertia decreases causing her spin to speed up. the physics law behind this phenomenon is the conservation of mechanical energy. her moment of inertia decreases causing her spin to speed up. the physics law behind this phenomenon is the conservation of linear momentum. her moment of inertia increases causing her spin to slow down. the physics law behind this phenomenon is the conservation of angular momentum. her moment of inertia decreases causing her spin to speed up. the physics law behind this phenomenon is the conservation of angular momentum.