The issue with reverse calculation has been fixed

The effect is slightly inferior to the KJ version, but it is twice as fast as KJ. Frame increase: 32 frame rate 1280 5s approximately 5 minutes  1600 5s approximately 7 minutes  1920 5s approximately 13 minutes

KJ obedient version Wan2.2 Image to video acceleration in 6 steps
Experience address: https://www.runninghub.cn/ai detail/1950244283553112065/?inviteCode=3f5b0d3c