He pulled at the bridle and snorted.
"Faster you come the better," called Roy.
Helen could not see the sense of that, but she tried.

Roy and Bo had dug a deep trail zigzag up that treacherous slide.

Helen made the mistake of starting to follow in their tracks, and when she realized this Ranger was climbing fast, almost dragging her, and it was too late to get above.

Helen began to labor.

She slid down right in front of Ranger.