Not enough evidence either way, thus the field ruling would stand regardless of it being called INC or INT.
From a physics standpoint, the momentum of the human's forearm could easily cause the ball to move high and backwards, just as the ground could have as well. There is absolutely no cut and dry on that call.
From a physics standpoint, the momentum of the human's forearm could easily cause the ball to move high and backwards, just as the ground could have as well. There is absolutely no cut and dry on that call.