Why? Because Pearson (the publisher) has moved to a digital-first ecosystem. The moment a "free exclusive PDF" leaks, Pearson issues a takedown faster than you can say "Kinematics." The versions floating around on random Google Drives are usually:
He turned toward the back of the book, where the Statistics chapters waited. Here, the world was governed by the Normal Distribution and hypothesis testing. He looked at a large data set regarding weather patterns, trying to find a correlation that felt meaningful. The textbook felt like a bridge. One half explained how things moved and stayed still; the other explained the probability of those things happening at all.
: Calculating horizontal and vertical components of motion for objects launched at any angle.