A particle moves along a parametrization(t) in space. Find r(to ) at the instant when t = to, given the following facts. (Your instructors prefer angle bracket notation for vectors. ) . The instantaneous radius of curvature when t = to is p(to) = 6 m. . The unit normal vector when t = to is given by N (to) = =(V5, -4, 2). . The coordinates of the center of the osculating circle when t = to are (11, -3, 5). r ( t ) = 11 - 3V 3 2 X