### Home > APCALC > Chapter 11 > Lesson 11.2.1 > Problem 11-44

11-44.

A point travels along the curve with a horizontal velocity of

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Let distance from the origin. Then:

Differentiate:

Evaluate when :

Solve for .

11-44.

A point travels along the curve with a horizontal velocity of

Let distance from the origin. Then:

Differentiate:

Evaluate when :

Solve for .