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 Awake() {
print(animation["walk"].clip.frameRate);
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

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