Add realworld_subset/Composition/5

realworld_subset/Composition/5/annotation.txt

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+Environment: g=9.81, F_drag=!=0
+Ground: e=0.5
+Baseball: d = 0.07, e = 0.55, m = 0.14, h = 0.77, v_0 = 0.0
+TennisBall: d = 0.07, e = 0.75, m = 0.06, h = 0.77, v_0 = 1.05

realworld_subset/Composition/5/formula_info.json

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+{
+  "correct_letter": "A",
+  "correct_formula": "y = h + x·tanθ - g·x² / (2·v_0²·cos²θ)",
+  "annotation": "Environment: g=9.81, F_drag=!=0\nGround: e=0.5\nBaseball: d = 0.07, e = 0.55, m = 0.14, h = 0.77, v_0 = 0.0\nTennisBall: d = 0.07, e = 0.75, m = 0.06, h = 0.77, v_0 = 1.05",
+  "choices": [
+    "y = h + x·tanθ - g·x² / (2·v_0²·cos²θ)",
+    "h_next = e²·h_current",
+    "σ = F_⊥ / A",
+    "R = v_0²·sin(2θ) / (g·cos²θ)"
+  ],
+  "correct_index": 0,
+  "physics_type": "Composition",
+  "composition_sources": [
+    "InelasticCollision",
+    "Projectile"
+  ],
+  "choice_sources": [
+    "Projectile",
+    "Projectile",
+    "Projectile",
+    "Projectile"
+  ],
+  "seed": "Composition|Composition/5",
+  "is_realworld": true,
+  "dropped_wrong_formulas": [
+    "InelasticCollision: W_f = ∫ μ_k·m·g·ds = ΔE_k",
+    "Projectile: F_drag = (1/2)·C_d·ρ·A·v² (A = π·(d/2)²)"
+  ]
+}

realworld_subset/Composition/5/instantaneous_velocity/velocity.json

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+{
+  "video_path": "/mnt/afs/fanweichen/yrm/VMEvalKit/preprocess/data/processed/Composition/5/rgb/video.mp4",
+  "fps": 30.0,
+  "time_seconds": 0.5,
+  "frame_index": 15,
+  "scale_px": 59.0085,
+  "scale_meters": 0.074,
+  "meters_per_pixel": 0.001254,
+  "velocities": {
+    "1": {
+      "u_ms": -0.374982,
+      "v_ms": 1.068287,
+      "speed_ms": 1.132187,
+      "du_px": -9.9676,
+      "dv_px": 28.3968,
+      "static": false
+    },
+    "2": {
+      "u_ms": 0.238264,
+      "v_ms": 0.002378,
+      "speed_ms": 0.238276,
+      "du_px": 6.3334,
+      "dv_px": 0.0632,
+      "static": false
+    }
+  }
+}

realworld_subset/Composition/5/physics_duration.txt

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+1.0