### Home > CALC > Chapter 12 > Lesson 12.1.1 > Problem 12-10

12-10.

A particle moves along the curve *y* = sin *x* at a constant speed of 5 units per second. Find *x*′(*t*), the *x*-component of the velocity vector, when *x* = 2. Homework Help ✎

Evaluate *x ^{′}*(2).