ao_sample_accel_along_sum = 0;
ao_sample_accel_across_sum = 0;
ao_sample_accel_through_sum = 0;
ao_sample_accel_along = 0;
ao_sample_accel_across = 0;
ao_sample_accel_through = 0;
ao_sample_accel_along_sum = 0;
ao_sample_accel_across_sum = 0;
ao_sample_accel_through_sum = 0;
ao_sample_accel_along = 0;
ao_sample_accel_across = 0;
ao_sample_accel_through = 0;