AnimationState.clip  

// Prints the frame rate of the animation clip to the console
print(animation["walk"].clip.frameRate);

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    void Example() {
        print(animation["walk"].clip.frameRate);
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    def Example():
        print(animation['walk'].clip.frameRate)